Photobiomodulation Effect of Diode Laser on Differentiation of Osteoprogenitor Cells in Rat Bone Marrow

被引:1
|
作者
Iso, Eisuke [1 ]
Yamazaki, Takahide [1 ]
Kobayashi, Norika [1 ]
Kadokura, Hiroshi [1 ]
Tsuchiya, Takako [1 ]
Kato, Yuka [1 ]
Yokose, Satoshi [1 ]
机构
[1] Meikai Univ, Dept Restorat & Biomat Sci, Div Endodont & Operat Dent, Sch Dent, Sakado, Saitama 3500283, Japan
来源
IN VIVO | 2024年 / 38卷 / 05期
关键词
Photobiomodulation; diode laser; osteoprogenitor cells; bone marrow; rat; OSTEOGENIC STEM-CELLS; 1,25-DIHYDROXYVITAMIN-D3 CAUSES; EXPRESSION;
D O I
10.21873/invivo.13685
中图分类号
R-3 [医学研究方法]; R3 [基础医学];
学科分类号
1001 ;
摘要
Background/Aim: Bone marrow cells contain nonhematopoietic cells with the ability to differentiate into osteogenic, chondrogenic, and adipogenic lineages. Mechanical stress influences osteoblast differentiation of bone marrow cells into osteogenic, chondrogenic, and adipogenic lineages, measurable as the abundance of alkaline phosphatase-positive (ALP(+)) colony-forming unit-fibroblasts (CFU-F); however, the effect of diode laser irradiation on osteoblast differentiation is unknown. The aim of this study was to analyze the effects of photobiomodulation on the osteogenic differentiation of mesenchymal stem cells in the bone marrow, using the CFU-F assay. Materials and Methods: Bone marrow cells isolated from rat tibiae were cultured and irradiated with a diode laser (wavelength 808 nm) at a total energy of 0 J (control), 50 J, and 150 J. Results: On day 7 after irradiation, ALP(+) CFU-F were most abundant in the 50 J group and the least abundant in the 150 J group. Mineralized nodule formation was observed after long-term culture (21 days). Compared with the control group, there were significantly more nodules in the 50 J group and significantly fewer nodules in the 150 J group. Osteocalcin mRNA expression was highest in the 50 J group, and there was no difference between the control and 150 J groups. Conclusion: Irradiation with 50 J was effective in stimulating osteogenesis in bone marrow stem cells. These findings suggest that diode laser irradiation can induce osteogenesis in rat bone marrow cells in an energy-dependent manner, and appears suitable for application in bone regeneration therapy.
引用
收藏
页码:2214 / 2219
页数:6
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